Project setup + exif-related (125b5ed8) · Commits · Elphel / elphel-apps-camogm

eclipse_project_setup/.cproject

+47 −42

File changed.

Preview size limit exceeded, changes collapsed.

src/camogm_kml.c

+19 −19

Original line number	Diff line number	Diff line
		@@ -84,7 +84,7 @@ int camogm_start_kml(camogm_state *state)
		(int)dir_table_entry.ltag, \
		(int)dir_table_entry.len, \
		(int)dir_table_entry.src, \
		(int)dir_table_entry.dst));
		(int)dir_table_entry.dst_exif));
		}
		}
		close(fd_ExifDir);
		@@ -159,11 +159,11 @@ int camogm_frame_kml(camogm_state *state)
		// generating KML itself
		// using GPS time - in the same structure
		if (state->kml_exif[Exif_GPSInfo_GPSDateStamp_Index].ltag == Exif_GPSInfo_GPSDateStamp) { // Exif_GPSInfo_GPSDateStamp is present in template
		memcpy(datestr, &(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSDateStamp_Index].dst]), 10);
		memcpy(datestr, &(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSDateStamp_Index].dst_exif]), 10);
		datestr[4] = '-'; datestr[7] = '-'; datestr[10] = '\0';
		}
		if (state->kml_exif[Exif_GPSInfo_GPSTimeStamp_Index].ltag == Exif_GPSInfo_GPSTimeStamp) { // Exif_GPSInfo_GPSTimeStamp is present in template
		ip = (int*)&(state->ed[state->kml_exif[Exif_GPSInfo_GPSTimeStamp_Index].dst]);
		ip = (int*)&(state->ed[state->kml_exif[Exif_GPSInfo_GPSTimeStamp_Index].dst_exif]);
		hours = __cpu_to_be32( ip[0]);
		minutes = __cpu_to_be32( ip[2]);
		seconds = (1.0 * (__cpu_to_be32( ip[4]) + 1)) / __cpu_to_be32( ip[5]); // GPS likes ".999", let's inc by one - anyway will round that out
		@@ -179,52 +179,52 @@ int camogm_frame_kml(camogm_state *state)

		// knowing format provided from GPS - degrees and minuts only, no seconds:
		if (state->kml_exif[Exif_GPSInfo_GPSLongitude_Index].ltag == Exif_GPSInfo_GPSLongitude) { // Exif_GPSInfo_GPSLongitude is present in template
		ip = (int*)&(state->ed[state->kml_exif[Exif_GPSInfo_GPSLongitude_Index].dst]);
		ip = (int*)&(state->ed[state->kml_exif[Exif_GPSInfo_GPSLongitude_Index].dst_exif]);
		longitude = __cpu_to_be32( ip[0]) / (1.0 * __cpu_to_be32( ip[1])) + __cpu_to_be32( ip[2]) / (60.0 * __cpu_to_be32( ip[3]));
		if ((state->kml_exif[Exif_GPSInfo_GPSLongitudeRef_Index].ltag == Exif_GPSInfo_GPSLongitudeRef) &&
		(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLongitudeRef_Index].dst] != 'E')) longitude = -longitude;
		D2(fprintf(debug_file, "(longitude) 0x%x 0x%x 0x%x 0x%x '%c'\n", ip[0], ip[1], ip[2], ip[3], state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLongitudeRef_Index].dst]));
		(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLongitudeRef_Index].dst_exif] != 'E')) longitude = -longitude;
		D2(fprintf(debug_file, "(longitude) 0x%x 0x%x 0x%x 0x%x '%c'\n", ip[0], ip[1], ip[2], ip[3], state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLongitudeRef_Index].dst_exif]));
		}

		if (state->kml_exif[Exif_GPSInfo_GPSLatitude_Index].ltag == Exif_GPSInfo_GPSLatitude) { // Exif_GPSInfo_GPSLatitude is present in template
		ip = (int*)&(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLatitude_Index].dst]);
		ip = (int*)&(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLatitude_Index].dst_exif]);
		latitude = __cpu_to_be32( ip[0]) / (1.0 * __cpu_to_be32( ip[1])) + __cpu_to_be32( ip[2]) / (60.0 * __cpu_to_be32( ip[3]));
		if ((state->kml_exif[Exif_GPSInfo_GPSLatitudeRef_Index].ltag == Exif_GPSInfo_GPSLatitudeRef) &&
		(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLatitudeRef_Index].dst] != 'N')) latitude = -latitude;
		D2(fprintf(debug_file, "(latitude) 0x%x 0x%x 0x%x 0x%x '%c'\n", ip[0], ip[1], ip[2], ip[3], state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLatitudeRef_Index].dst] ? '-' : '+'));
		(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLatitudeRef_Index].dst_exif] != 'N')) latitude = -latitude;
		D2(fprintf(debug_file, "(latitude) 0x%x 0x%x 0x%x 0x%x '%c'\n", ip[0], ip[1], ip[2], ip[3], state->ed[port][state->kml_exif[Exif_GPSInfo_GPSLatitudeRef_Index].dst_exif] ? '-' : '+'));
		}
		// altitude - will be modified/replaced later
		if (state->kml_exif[Exif_GPSInfo_GPSAltitude_Index].ltag == Exif_GPSInfo_GPSAltitude) { // Exif_GPSInfo_GPSAltitude is present in template
		ip = (int*)&(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSAltitude_Index].dst]);
		ip = (int*)&(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSAltitude_Index].dst_exif]);
		altitude = (1.0 * __cpu_to_be32( ip[0])) / __cpu_to_be32( ip[1]);
		if ((state->kml_exif[Exif_GPSInfo_GPSAltitudeRef_Index].ltag == Exif_GPSInfo_GPSAltitudeRef) &&
		(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSAltitudeRef_Index].dst] != '\0')) altitude = -altitude;
		D2(fprintf(debug_file, "(altitude) 0x%x 0x%x '%c'\n", ip[0], ip[1], state->ed[port][state->kml_exif[Exif_GPSInfo_GPSAltitudeRef_Index].dst]));
		(state->ed[port][state->kml_exif[Exif_GPSInfo_GPSAltitudeRef_Index].dst_exif] != '\0')) altitude = -altitude;
		D2(fprintf(debug_file, "(altitude) 0x%x 0x%x '%c'\n", ip[0], ip[1], state->ed[port][state->kml_exif[Exif_GPSInfo_GPSAltitudeRef_Index].dst_exif]));
		}

		D1(fprintf(debug_file, "longitude=%f, latitude=%f, altitude=%f\n", longitude, latitude, altitude));

		// heading - no processing of "True/Magnetic" Exif_GPSInfo_CompassDirectionRef now (always M)
		if (state->kml_exif[Exif_GPSInfo_CompassDirection_Index].ltag == Exif_GPSInfo_CompassDirection) { // Exif_GPSInfo_CompassDirection is present in template
		ip = (int*)&(state->ed[port][state->kml_exif[Exif_GPSInfo_CompassDirection_Index].dst]);
		ip = (int*)&(state->ed[port][state->kml_exif[Exif_GPSInfo_CompassDirection_Index].dst_exif]);
		heading = (1.0 * __cpu_to_be32( ip[0])) / __cpu_to_be32( ip[1]);
		D2(fprintf(debug_file, "(heading) 0x%x 0x%x\n", ip[0], ip[1]));
		}
		// processing 'hacked' pitch and roll (made of Exif destination latitude/longitude)
		if (state->kml_exif[Exif_GPSInfo_CompassRoll_Index].ltag == Exif_GPSInfo_CompassRoll) { // Exif_GPSInfo_CompassRoll is present in template
		ip = (int*)&(state->ed[state->kml_exif[Exif_GPSInfo_CompassRoll_Index].dst]);
		ip = (int*)&(state->ed[state->kml_exif[Exif_GPSInfo_CompassRoll_Index].dst_exif]);
		roll = __cpu_to_be32( ip[0]) / (1.0 * __cpu_to_be32( ip[1])) + __cpu_to_be32( ip[2]) / (60.0 * __cpu_to_be32( ip[3]));
		if ((state->kml_exif[Exif_GPSInfo_CompassRollRef_Index].ltag == Exif_GPSInfo_CompassRollRef) &&
		(state->ed[port][state->kml_exif[Exif_GPSInfo_CompassRollRef_Index].dst] != EXIF_COMPASS_ROLL_ASCII[0])) roll = -roll;
		D2(fprintf(debug_file, "(roll) 0x%x 0x%x '%c'\n", ip[0], ip[1], state->ed[port][state->kml_exif[Exif_GPSInfo_CompassRollRef_Index].dst]));
		(state->ed[port][state->kml_exif[Exif_GPSInfo_CompassRollRef_Index].dst_exif] != EXIF_COMPASS_ROLL_ASCII[0])) roll = -roll;
		D2(fprintf(debug_file, "(roll) 0x%x 0x%x '%c'\n", ip[0], ip[1], state->ed[port][state->kml_exif[Exif_GPSInfo_CompassRollRef_Index].dst_exif]));
		}

		if (state->kml_exif[Exif_GPSInfo_CompassPitch_Index].ltag == Exif_GPSInfo_CompassPitch) { // Exif_GPSInfo_CompassPitch is present in template
		ip = (int*)&(state->ed[port][state->kml_exif[Exif_GPSInfo_CompassPitch_Index].dst]);
		ip = (int*)&(state->ed[port][state->kml_exif[Exif_GPSInfo_CompassPitch_Index].dst_exif]);
		pitch = __cpu_to_be32( ip[0]) / (1.0 * __cpu_to_be32( ip[1])) + __cpu_to_be32( ip[2]) / (60.0 * __cpu_to_be32( ip[3]));
		if ((state->kml_exif[Exif_GPSInfo_CompassPitchRef_Index].ltag == Exif_GPSInfo_CompassPitchRef) &&
		(state->ed[port][state->kml_exif[Exif_GPSInfo_CompassPitchRef_Index].dst] != EXIF_COMPASS_PITCH_ASCII[0])) pitch = -pitch;
		D2(fprintf(debug_file, "(pitch) 0x%x 0x%x '%c'\n", ip[0], ip[1], state->ed[port][state->kml_exif[Exif_GPSInfo_CompassPitchRef_Index].dst]));
		(state->ed[port][state->kml_exif[Exif_GPSInfo_CompassPitchRef_Index].dst_exif] != EXIF_COMPASS_PITCH_ASCII[0])) pitch = -pitch;
		D2(fprintf(debug_file, "(pitch) 0x%x 0x%x '%c'\n", ip[0], ip[1], state->ed[port][state->kml_exif[Exif_GPSInfo_CompassPitchRef_Index].dst_exif]));
		}
		// convert from GPS heading, pitch, roll to KML heading, tilt, roll
		tilt = pitch + 90.0;

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